Generator Protective Features
• Over/Under Voltage (27.59)
• Over/Under Frequency (81O,81U)
• Directional (Forward/Reverse) Power (32)*
• Negative Phase Sequence Overcurrent (46)
• Negative Phase Sequence Overvoltage (47)
• Phase Overcurrent (51)*
• Directional VAR
• Phase Current Differential Imbalance (87)*
• Speed/Frequency Mismatch
• Load Surge
Utility Protective Features
• Over/Under Voltage (27.59)
• Over/Under Frequency (81O,81U)
• Directional (Forward/Reverse) Power (32)*
• Negative Phase Sequence Overcurrent (46)
• Negative Phase Sequence Overvoltage (47)
• Phase Overcurrent (51)*
• Voltage Restrained Phase Overcurrent (51V)*
• Directional VAR
• Phase Current Differential Imbalance (87)*
• Loss of Mains/Loss of Mains with Alarm
*—Inverse Time Protections implemented are according to IEEE C37.112 “Very Inverse” curves
HARDWARE SPECIFICATIONS
Size:
Operator Interface Panel:
Power Supply Voltage:
Control Part Numbers:
Connectors:
Voltage Measuring Input Range:
Current Measuring Inputs:
Temperature Range:
Humidity:
Enclosure Rating:
Vibration:
Mechanical Shock:
Regulatory Compliance (pending):
281.8mm (11.1”) High x 358.1mm (14.1”) Wide x 134.0mm (5.275”) Deep
8 (20 Character) lines plus membrane keypad
24 Vdc system (18–32 Vdc nominal; 9–40 Vdc maximum)
DR: 8406-103
LS: 8406-113
MC: 8406-114
Terminal blocks are screwless CageClamp style blocks. PT and CT inputs
are fixed screw terminals.
70–300 Vac
5 Aac RMS nominal, 7 Aac RMS maximum –20 to +70 °C operating; –30 to +80 °C storage
95% at +60 °C non-condensing
Meets IP56 (IEC) and Type 4 (NEMA) requirements from the front panel and
properly installed in an equivalent enclosure
Suitable for engine skid or control cabinet
Random Test: 10–2000 Hz at 0.04 G²/Hz and 8.2 Grms PSD
30 g peak, 11 ms duration, non-operating
UL508; CSA Hazardous Locations Class I, Division 2. Groups A–D
IEC Zone 2 European Group IIC
EEC EMC Directive; EEC Low-Voltage Directive
Marine LR
RINA, ABS, and GL classifications
EGCP-3 Applications
• Single Unit—No Utility Parallel
• Single Unit—Utility Parallel
• Multiple Unit—No Utility Parallel
• Multiple Unit—Utility Parallel
• Multiple Unit—Multiple Utility Feeds Parallel
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